751 search results - page 93 / 151 » A Dialogue Manager for Accessing Databases |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
It is well understood that the key for successful Semantic Web applications depends on the availability of machine understandable meta-data. We describe the Information Grid, a pr...
RBAC
1998
13 years 9 months ago
1998
In role-based access control RBAC permissions are associated with roles, and users are made members of appropriate roles thereby acquiring the roles' permissions. Using RBAC ...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Visitors enter a website through a variety of means, including web searches, links from other sites, and personal bookmarks. In some cases the first page loaded satisfies the visi...